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November 24, 2010

Ubuntu 10.10 Maverick with 2.6.37 kernel

If you want the latest (read bleeding edge) kernel that the Ubuntu developers are working, then have a look here:

Ubuntu Dev Kernels

Be sure to download the 3 files matching your architecture and install.

I am currently using 2.6.37-rc3-natty which will be the kernel that Natty Narwhal (11.04) will be based on. It just works, everything is detected and there is a noticeable increase in responsiveness.

Previously I posted about the 200~ kernel patch to increase desktop responsiveness. You do not need to wait for a new kernel or recompile one yourself to test the benefits. According to this Linux kernel mailing list: While the correct way is to implement it in kernel to be transparent to the user, you can enable it with a few quick entires in to your ~/.bashrc file.

if [ "$PS1" ] ; then
mkdir -m 0700 /sys/fs/cgroup/cpu/user/$$
echo $$ > /sys/fs/cgroup/cpu/user/$$/tasks
fi

Then, as the superuser do this:
mount -t cgroup cgroup /sys/fs/cgroup/cpu -o cpu
mkdir -m 0777 /sys/fs/cgroup/cpu/user

“Done. Same effect. However: not crazy.”

Thank you Lennart.

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